The invention discloses a tracked firefighting rescue robot applicable to complex terrain and high-risk environments, and relates to the technical field of firefighting rescue robots.The tracked firefighting rescue robot comprises a vehicle device, a wheel device, a fire extinguishing device and a water fetching device.The fire extinguishing device comprises a fire extinguishing platform, a hydraulic support, a rotary motor, a rotary support inner ring, a rotary support outer ring, a rotary fire extinguishing table, a foam water cannon, a haze spray nozzle, an electric heating ring, a direct-current water cannon, a driving motor and a smoke driving fan.The tracked firefighting rescue robot has the advantages that the tracked firefighting rescue robot is high in adaptability to severe terrain environments and has in-situ multi-angle water cannon spraying functions; as proved by pressure detection, the tracked firefighting rescue robot can be automatically switched to be in low-speed states when under the condition of high resistance or climbing, and can be switched to be in high-speed states when the tracked firefighting rescue robot travels in gentle road segments and resistance is reduced, and accordingly the vehicle advancing safety and the firefighting efficiency can be guaranteed; the tracked firefighting rescue robot can be in diversified fire extinguishing modes, is wide in application range and is provided with the water fetching device, and accordingly water can be fetched locally; the tracked firefighting rescue robot is further provided with a surrounding water curtain, a smoke driving device and a radio control device, and accordingly smooth firefighting work can be guaranteed in the severe environments.